Hostname: page-component-78c5997874-dh8gc Total loading time: 0 Render date: 2024-11-15T02:26:32.853Z Has data issue: false hasContentIssue false
  • English
  • Français

Preferential orientation and dielectric/pyroelectric properties of sol-gel-derived Pb(Mg, Zn)1/3Nb2/3O3 thin films

Published online by Cambridge University Press:  03 March 2011

Mun K. Cho ,
K.S. Kim  and
Hyun M. Jang
Mun K. Cho
Affiliation:
Department of Materials Science and Engineering, and Laboratory for Physical Chemistry of Dielectric Materials, Pohang University of Science and Technology (POSTECH), Pohang 790-784, Republic of Korea
K.S. Kim
Affiliation:
Department of Materials Science and Engineering, and Laboratory for Physical Chemistry of Dielectric Materials, Pohang University of Science and Technology (POSTECH), Pohang 790-784, Republic of Korea
Hyun M. Jang*
Affiliation:
Department of Materials Science and Engineering, and Laboratory for Physical Chemistry of Dielectric Materials, Pohang University of Science and Technology (POSTECH), Pohang 790-784, Republic of Korea
*
a)Author to whom correspondence should be addressed.
Get access

Abstract

Thin films of Pb(Mg,Zn)1/3Nb2/3O3 (PMZN) were fabricated by spin casting the partially hydrolyzed Pb-Mg-Zn-Nb-O complex alkoxide sols on (111) Pt-coated MgO(100) planes. Analysis of the isothermal transformation data indicated that the growth of perovskite grains from the pyrochlore matrix is a diffusion-controlled process with an initial fast nucleation. The effect of water concentration in the sol on the preferential orientation of perovskite grains in the corresponding thin film was examined. A strong preferential orientation of (100) perovskite was obtained in the PMZN thin film derived from the sol having a molar ratio of H2O to total metal alkoxides (Rw) of 2. A small-angle x-ray scattering (SAXS) experiment in the Porod region indicated that weakly branched precursor systems led to highly (100)-oriented perovskite grains after thin-film formation. The pyroelectric coefficient and the corresponding figure-of-merit were controlled by suitably varying the degree of preferential orientation during the fabrication of thin films.

Type
Articles
Information
Journal of Materials Research , Volume 10 , Issue 10 , October 1995 , pp. 2631 - 2641
Copyright
Copyright © Materials Research Society 1995

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

REFERENCES

1Cross, L. E., Ferroelectrics 76, 241 (1987).CrossRefGoogle Scholar
2Shrout, T. R. and Halliyal, A., Am. Ceram. Soc. Bull. 66, (4), 704 (1987).Google Scholar
3Uchino, K., Am. Ceram. Soc. Bull. 65(4), 647 (1986).Google Scholar
4Francis, L. F. and Payne, D. A., J. Am. Ceram. Soc. 74(12), 3000 (1991).CrossRefGoogle Scholar
5Okuwada, K., Imai, M., and Kakuno, K., Jpn. J. Appl. Phys. 28(7), L1271 (1989).CrossRefGoogle Scholar
6Okuwada, K., Nakamura, S., Imai, M., and Kakuno, K., Jpn. J. Appl. Phys. 29(6), 1153 (1990).CrossRefGoogle Scholar
7Francis, L. F., Oh, Y. J., and Payne, D. A., J. Mater. Sci. 25, 5007 (1990).CrossRefGoogle Scholar
8Whatmore, R. W., Osbond, P. C., and Shorrocks, N. M., Ferroelectrics 76, 351 (1987).CrossRefGoogle Scholar
9Kulwicki, B. M., Amin, A., Beratan, H. R., and Hanson, C.M., Proc. Eighth IEEE Int. Symp. on Applications of Ferroelectrics, edited by Liu, M., Safari, A., Kingon, A., and Haertling, G. (IEEE, Inc., Piscataway, NJ, 1992), pp. 1–10.Google Scholar
10Watton, R. and Todd, M. A., Ferroelectrics 118, 279 (1991).CrossRefGoogle Scholar
11Jang, H. M., Oh, S. H., and Moon, J.H., J. Am. Ceram. Soc. 75(1), 82 (1992).CrossRefGoogle Scholar
12Hench, L. L., Science of Ceramic Chemical Processing, edited by Hench, L.L. and Ulrich, D.R. (John Wiley and Sons, Inc., New York, 1986), pp. 52–64.Google Scholar
13Brinker, C. J. and Scherer, G. W., Sol-Gel Science: The Physics and Chemistry of Sol-Gel Processing (Academic Press, Inc., San Diego, CA, 1990), Chap. 3.Google Scholar
14Byer, R. L. and Roundy, C. B., Ferroelectrics 3, 333 (1972).CrossRefGoogle Scholar
15Nakamoto, K., Infrared and Raman Spectra of Inorganic and Coordination Compounds, 4th ed. (John Wiley and Sons, Inc., New York, 1986), pp. 231–233.Google Scholar
16Livage, J., in Better Ceramics Through Chemistry II, edited by Brinker, C.J., Clark, D. E., and Ulrich, D.R. (Mater. Res. Soc. Symp. Proc. 73, Pittsburgh, PA, 1986), pp. 717–724.Google Scholar
17Jang, H. M. and Cho, M. K., in Ferroelectric Thin Films IV, edited by Desu, S.B., Turtle, B. A., Ramesh, R., and Shiosaki, T. (Mater. Res. Soc. Symp. Proc. 361, Pittsburgh, PA, 1995, in press).Google Scholar
18Sacks, M. D. and Sheu, R-S., J. Non-Cryst. Solids 92, 383 (1987).CrossRefGoogle Scholar
19Schaefer, D. W., Martin, J. E., and Keefer, K.D., Physics of Finely Divided Matter, edited by Bocarra, N. and Daoud, M. (Springer-Verlag, Berlin, 1985), pp. 31–37.CrossRefGoogle Scholar
20Stober, W., Fink, A., and Bohn, E., J. Colloid Interface Sci. 26, 62 (1968).CrossRefGoogle Scholar
21Swartz, S. L. and Shrout, T. R., Mater. Res. Bull. 17, 1245 (1982).CrossRefGoogle Scholar
22Ravindranathan, P., Komarneni, S., Bhalla, A. S., Roy, R., and Cross, L.E., Ceram. Trans., edited by Messing, G.L., Fuller, E. R. Jr., and Hausner, H. (The American Ceramic Society, Westerville, OH, 1988), Vol. I, pp. 182–189.Google Scholar
23Jang, H. M., Cho, S. R., and Lee, K-M., J. Am. Ceram. Soc. 78(2), 297 (1995).CrossRefGoogle Scholar
24Raghaven, V. and Cohen, M., Treatise on Solid State Chemistry, 2nd ed., edited by Hannay, N.B. (Plenum Press, New York, 1982), Vol. 5, Chap. 2, pp. 67–127.Google Scholar
25Brinker, C. J., Hurd, A. J., and Ward, K.J., Ultrastructure Processing of Advanced Ceramics, edited by Mackenzie, J.D. and Ulrich, D.R. (John Wiley-lnterscience, New York, 1988), Chap. 15.Google Scholar
26Chen, C., Ryder, D. F. Jr., and Spurgeon, W.A., J. Am. Ceram. Soc. 72(8), 1495 (1989).CrossRefGoogle Scholar
27Uhlmann, D. R., Teowee, G., Boulton, J. M., Motakef, S., and Lee, S. C., J. Non-Cryst. Solids 147 & 148, 409 (1992).CrossRefGoogle Scholar
28Tuttle, B. A., Voigt, J. A., Goodnow, D. C., Lamppa, D. L., Headley, T. J., Eatough, M. O., Zender, G., Nasby, R. D., and Rodgers, S.M., J. Am. Ceram. Soc. 76(6), 1537 (1993).CrossRefGoogle Scholar